PC archeology: The Leading Edge Model D #DOScember

#DOScember

Time for another interesting machine, this time a little more conventional than the "Blender PC" but still cool. A PC XT clone from 1985 including a compatibility for the XT-IDE card.

#doscember official playlist:



#doscember Participating Channels:

8-Bit Show And Tell:
Adrian%27s Digital Basement:
ctrl-alt-rees:
DaveJustDave:
Jan Beta:
Josh Malone:
LGR:
MindFlareRetro:
Mr Lurch's Things:
Noel's Retro Lab:
Ovesen.net
RetroBytes
RetroSpector78:
RMC:
RoseTintedSpectrum:
Tech Tangents:
The 8-Bit Guy:
TheRetroChannel:

Leading Edge "Model D"
Model DC-2011

Leading Edge Keyboard
Model DC-2014

SNB-018 Universal FDC Card
Looking for a BIOS for this card

Hard drive on the hard card:
Kyocera KC-30B 33MB 3.5" RLL ST506

Hard drive controller:
SCIENTIFIC MICRO SYSTEMS OMTI 5528

0:00 Intro
1:20 Leading Edge Model D Tour and Testing
46:21 Getting XT-IDE working on the Leading Edge Model D
56:37 Outro

--- Video Links

Original Leading Edge BIOS v2.01:


Noel's on TI99 basic and other basic system performance:


The ROM I used on this machine was here:

--- Tools

Deoxit D5:



Jonard Tools EX-2 Chip Extractor:



Wiha Chip Lifter:



O-Ring Pick Set: (I use these to lift chips off boards)


Elenco Electronics LP-560 Logic Probe:


Hakko FR301 Desoldering Iron:


Rigol DS1054Z Four Channel Oscilloscope:


Head Worn Magnifying Goggles / Dual Lens Flip-In Head Magnifier:


TL866II Plus Chip Tester and EPROM programmer: (The MiniPro)



TS100 Soldering Iron:



EEVBlog 121GW Multimeter:


DSLogic Basic Logic Analyzer:



Magnetic Screw Holder:



Universal ZIP sockets: (clones, used on my ZIF-64 test machine)


RetroTink 2X Upconverter: (to hook up something like a C64 to HDMI)


Plato (Clone) Side Cutters: (order five)


Heat Sinks:


Little squeezy bottles: (available elsewhere too)


--- Links

My GitHub repository:


Commodore Computer Club / Vancouver, WA – Portland, OR – PDX Commodore Users Group


--- Instructional videos

My video on damage-free chip removal:


--- Music

Intro music and other tracks by:
Nathan Divino
@itsnathandivino

Outro Music:
Abyss by | e s c p |
Music promoted by
Attribution 4.0 International (CC BY 4.0)

retro computer,msdos,vintage computer,leading edge,xt-ide,